From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E0C3EC48BE0 for ; Fri, 21 Jun 2019 09:40:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C42F120673 for ; Fri, 21 Jun 2019 09:40:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726952AbfFUJk3 (ORCPT ); Fri, 21 Jun 2019 05:40:29 -0400 Received: from foss.arm.com ([217.140.110.172]:54256 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726872AbfFUJkX (ORCPT ); Fri, 21 Jun 2019 05:40:23 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 21AE8147A; Fri, 21 Jun 2019 02:40:23 -0700 (PDT) Received: from filthy-habits.cambridge.arm.com (filthy-habits.cambridge.arm.com [10.1.197.61]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id BF6653F246; Fri, 21 Jun 2019 02:40:21 -0700 (PDT) From: Marc Zyngier To: linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org Cc: Andre Przywara , Christoffer Dall , Dave Martin , Jintack Lim , Julien Thierry , James Morse , Suzuki K Poulose Subject: [PATCH 45/59] KVM: arm64: nv: Handle traps for timer _EL02 and _EL2 sysregs accessors Date: Fri, 21 Jun 2019 10:38:29 +0100 Message-Id: <20190621093843.220980-46-marc.zyngier@arm.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190621093843.220980-1-marc.zyngier@arm.com> References: <20190621093843.220980-1-marc.zyngier@arm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org From: Andre Przywara Add trap handlers for the timer system registers accessed from a guest hypervisors using either _EL02 or _EL2 system register access instructions. Signed-off-by: Andre Przywara Signed-off-by: Jintack Lim Signed-off-by: Marc Zyngier --- arch/arm64/include/asm/sysreg.h | 6 ++++++ arch/arm64/kvm/sys_regs.c | 15 +++++++++++++++ 2 files changed, 21 insertions(+) diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h index e0912ececd92..c24f1550d2d7 100644 --- a/arch/arm64/include/asm/sysreg.h +++ b/arch/arm64/include/asm/sysreg.h @@ -500,6 +500,12 @@ #define SYS_CNTVOFF_EL2 sys_reg(3, 4, 14, 0, 3) #define SYS_CNTHCTL_EL2 sys_reg(3, 4, 14, 1, 0) +#define SYS_CNTHP_TVAL_EL2 sys_reg(3, 4, 14, 2, 0) +#define SYS_CNTHP_CTL_EL2 sys_reg(3, 4, 14, 2, 1) +#define SYS_CNTHP_CVAL_EL2 sys_reg(3, 4, 14, 2, 2) +#define SYS_CNTHV_TVAL_EL2 sys_reg(3, 4, 14, 3, 0) +#define SYS_CNTHV_CTL_EL2 sys_reg(3, 4, 14, 3, 1) +#define SYS_CNTHV_CVAL_EL2 sys_reg(3, 4, 14, 3, 2) /* VHE encodings for architectural EL0/1 system registers */ #define SYS_SCTLR_EL12 sys_reg(3, 5, 1, 0, 0) diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c index 0343682fe47f..1b8016330a19 100644 --- a/arch/arm64/kvm/sys_regs.c +++ b/arch/arm64/kvm/sys_regs.c @@ -2125,6 +2125,13 @@ static const struct sys_reg_desc sys_reg_descs[] = { { SYS_DESC(SYS_CNTVOFF_EL2), access_rw, reset_val, CNTVOFF_EL2, 0 }, { SYS_DESC(SYS_CNTHCTL_EL2), access_rw, reset_val, CNTHCTL_EL2, 0 }, + { SYS_DESC(SYS_CNTHP_TVAL_EL2), access_arch_timer }, + { SYS_DESC(SYS_CNTHP_CTL_EL2), access_arch_timer }, + { SYS_DESC(SYS_CNTHP_CVAL_EL2), access_arch_timer }, + { SYS_DESC(SYS_CNTHV_TVAL_EL2), access_arch_timer }, + { SYS_DESC(SYS_CNTHV_CTL_EL2), access_arch_timer }, + { SYS_DESC(SYS_CNTHV_CVAL_EL2), access_arch_timer }, + { SYS_DESC(SYS_SCTLR_EL12), access_vm_reg, reset_val, SCTLR_EL1, 0x00C50078 }, { SYS_DESC(SYS_CPACR_EL12), access_rw, reset_val, CPACR_EL1, 0 }, { SYS_DESC(SYS_TTBR0_EL12), access_vm_reg, reset_unknown, TTBR0_EL1 }, @@ -2142,6 +2149,14 @@ static const struct sys_reg_desc sys_reg_descs[] = { { SYS_DESC(SYS_CONTEXTIDR_EL12), access_vm_reg, reset_val, CONTEXTIDR_EL1, 0 }, { SYS_DESC(SYS_CNTKCTL_EL12), access_rw, reset_val, CNTKCTL_EL1, 0 }, + { SYS_DESC(SYS_CNTP_TVAL_EL02), access_arch_timer }, + { SYS_DESC(SYS_CNTP_CTL_EL02), access_arch_timer }, + { SYS_DESC(SYS_CNTP_CVAL_EL02), access_arch_timer }, + + { SYS_DESC(SYS_CNTV_TVAL_EL02), access_arch_timer }, + { SYS_DESC(SYS_CNTV_CTL_EL02), access_arch_timer }, + { SYS_DESC(SYS_CNTV_CVAL_EL02), access_arch_timer }, + { SYS_DESC(SYS_SP_EL2), NULL, reset_unknown, SP_EL2 }, }; -- 2.20.1 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2AD97C48BE3 for ; Fri, 21 Jun 2019 09:40:31 +0000 (UTC) Received: from mm01.cs.columbia.edu (mm01.cs.columbia.edu [128.59.11.253]) by mail.kernel.org (Postfix) with ESMTP id E540521530 for ; Fri, 21 Jun 2019 09:40:30 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E540521530 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kvmarm-bounces@lists.cs.columbia.edu Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 9B5934A55A; 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Fri, 21 Jun 2019 02:40:23 -0700 (PDT) Received: from filthy-habits.cambridge.arm.com (filthy-habits.cambridge.arm.com [10.1.197.61]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id BF6653F246; Fri, 21 Jun 2019 02:40:21 -0700 (PDT) From: Marc Zyngier To: linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org Subject: [PATCH 45/59] KVM: arm64: nv: Handle traps for timer _EL02 and _EL2 sysregs accessors Date: Fri, 21 Jun 2019 10:38:29 +0100 Message-Id: <20190621093843.220980-46-marc.zyngier@arm.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190621093843.220980-1-marc.zyngier@arm.com> References: <20190621093843.220980-1-marc.zyngier@arm.com> MIME-Version: 1.0 Cc: Andre Przywara , Dave Martin X-BeenThere: kvmarm@lists.cs.columbia.edu X-Mailman-Version: 2.1.14 Precedence: list List-Id: Where KVM/ARM decisions are made List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu From: Andre Przywara Add trap handlers for the timer system registers accessed from a guest hypervisors using either _EL02 or _EL2 system register access instructions. Signed-off-by: Andre Przywara Signed-off-by: Jintack Lim Signed-off-by: Marc Zyngier --- arch/arm64/include/asm/sysreg.h | 6 ++++++ arch/arm64/kvm/sys_regs.c | 15 +++++++++++++++ 2 files changed, 21 insertions(+) diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h index e0912ececd92..c24f1550d2d7 100644 --- a/arch/arm64/include/asm/sysreg.h +++ b/arch/arm64/include/asm/sysreg.h @@ -500,6 +500,12 @@ #define SYS_CNTVOFF_EL2 sys_reg(3, 4, 14, 0, 3) #define SYS_CNTHCTL_EL2 sys_reg(3, 4, 14, 1, 0) +#define SYS_CNTHP_TVAL_EL2 sys_reg(3, 4, 14, 2, 0) +#define SYS_CNTHP_CTL_EL2 sys_reg(3, 4, 14, 2, 1) +#define SYS_CNTHP_CVAL_EL2 sys_reg(3, 4, 14, 2, 2) +#define SYS_CNTHV_TVAL_EL2 sys_reg(3, 4, 14, 3, 0) +#define SYS_CNTHV_CTL_EL2 sys_reg(3, 4, 14, 3, 1) +#define SYS_CNTHV_CVAL_EL2 sys_reg(3, 4, 14, 3, 2) /* VHE encodings for architectural EL0/1 system registers */ #define SYS_SCTLR_EL12 sys_reg(3, 5, 1, 0, 0) diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c index 0343682fe47f..1b8016330a19 100644 --- a/arch/arm64/kvm/sys_regs.c +++ b/arch/arm64/kvm/sys_regs.c @@ -2125,6 +2125,13 @@ static const struct sys_reg_desc sys_reg_descs[] = { { SYS_DESC(SYS_CNTVOFF_EL2), access_rw, reset_val, CNTVOFF_EL2, 0 }, { SYS_DESC(SYS_CNTHCTL_EL2), access_rw, reset_val, CNTHCTL_EL2, 0 }, + { SYS_DESC(SYS_CNTHP_TVAL_EL2), access_arch_timer }, + { SYS_DESC(SYS_CNTHP_CTL_EL2), access_arch_timer }, + { SYS_DESC(SYS_CNTHP_CVAL_EL2), access_arch_timer }, + { SYS_DESC(SYS_CNTHV_TVAL_EL2), access_arch_timer }, + { SYS_DESC(SYS_CNTHV_CTL_EL2), access_arch_timer }, + { SYS_DESC(SYS_CNTHV_CVAL_EL2), access_arch_timer }, + { SYS_DESC(SYS_SCTLR_EL12), access_vm_reg, reset_val, SCTLR_EL1, 0x00C50078 }, { SYS_DESC(SYS_CPACR_EL12), access_rw, reset_val, CPACR_EL1, 0 }, { SYS_DESC(SYS_TTBR0_EL12), access_vm_reg, reset_unknown, TTBR0_EL1 }, @@ -2142,6 +2149,14 @@ static const struct sys_reg_desc sys_reg_descs[] = { { SYS_DESC(SYS_CONTEXTIDR_EL12), access_vm_reg, reset_val, CONTEXTIDR_EL1, 0 }, { SYS_DESC(SYS_CNTKCTL_EL12), access_rw, reset_val, CNTKCTL_EL1, 0 }, + { SYS_DESC(SYS_CNTP_TVAL_EL02), access_arch_timer }, + { SYS_DESC(SYS_CNTP_CTL_EL02), access_arch_timer }, + { SYS_DESC(SYS_CNTP_CVAL_EL02), access_arch_timer }, + + { SYS_DESC(SYS_CNTV_TVAL_EL02), access_arch_timer }, + { SYS_DESC(SYS_CNTV_CTL_EL02), access_arch_timer }, + { SYS_DESC(SYS_CNTV_CVAL_EL02), access_arch_timer }, + { SYS_DESC(SYS_SP_EL2), NULL, reset_unknown, SP_EL2 }, }; -- 2.20.1 _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 63864C43613 for ; Fri, 21 Jun 2019 10:08:52 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 3D48F208CA for ; 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Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1heGTN-0003cd-09; Fri, 21 Jun 2019 10:08:45 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1heG1v-0000ar-Jg for linux-arm-kernel@lists.infradead.org; Fri, 21 Jun 2019 09:40:28 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 21AE8147A; Fri, 21 Jun 2019 02:40:23 -0700 (PDT) Received: from filthy-habits.cambridge.arm.com (filthy-habits.cambridge.arm.com [10.1.197.61]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id BF6653F246; Fri, 21 Jun 2019 02:40:21 -0700 (PDT) From: Marc Zyngier To: linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org Subject: [PATCH 45/59] KVM: arm64: nv: Handle traps for timer _EL02 and _EL2 sysregs accessors Date: Fri, 21 Jun 2019 10:38:29 +0100 Message-Id: <20190621093843.220980-46-marc.zyngier@arm.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190621093843.220980-1-marc.zyngier@arm.com> References: <20190621093843.220980-1-marc.zyngier@arm.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190621_024023_920902_195963E0 X-CRM114-Status: UNSURE ( 8.93 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Julien Thierry , Andre Przywara , Suzuki K Poulose , Christoffer Dall , Dave Martin , James Morse , Jintack Lim Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Andre Przywara Add trap handlers for the timer system registers accessed from a guest hypervisors using either _EL02 or _EL2 system register access instructions. Signed-off-by: Andre Przywara Signed-off-by: Jintack Lim Signed-off-by: Marc Zyngier --- arch/arm64/include/asm/sysreg.h | 6 ++++++ arch/arm64/kvm/sys_regs.c | 15 +++++++++++++++ 2 files changed, 21 insertions(+) diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h index e0912ececd92..c24f1550d2d7 100644 --- a/arch/arm64/include/asm/sysreg.h +++ b/arch/arm64/include/asm/sysreg.h @@ -500,6 +500,12 @@ #define SYS_CNTVOFF_EL2 sys_reg(3, 4, 14, 0, 3) #define SYS_CNTHCTL_EL2 sys_reg(3, 4, 14, 1, 0) +#define SYS_CNTHP_TVAL_EL2 sys_reg(3, 4, 14, 2, 0) +#define SYS_CNTHP_CTL_EL2 sys_reg(3, 4, 14, 2, 1) +#define SYS_CNTHP_CVAL_EL2 sys_reg(3, 4, 14, 2, 2) +#define SYS_CNTHV_TVAL_EL2 sys_reg(3, 4, 14, 3, 0) +#define SYS_CNTHV_CTL_EL2 sys_reg(3, 4, 14, 3, 1) +#define SYS_CNTHV_CVAL_EL2 sys_reg(3, 4, 14, 3, 2) /* VHE encodings for architectural EL0/1 system registers */ #define SYS_SCTLR_EL12 sys_reg(3, 5, 1, 0, 0) diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c index 0343682fe47f..1b8016330a19 100644 --- a/arch/arm64/kvm/sys_regs.c +++ b/arch/arm64/kvm/sys_regs.c @@ -2125,6 +2125,13 @@ static const struct sys_reg_desc sys_reg_descs[] = { { SYS_DESC(SYS_CNTVOFF_EL2), access_rw, reset_val, CNTVOFF_EL2, 0 }, { SYS_DESC(SYS_CNTHCTL_EL2), access_rw, reset_val, CNTHCTL_EL2, 0 }, + { SYS_DESC(SYS_CNTHP_TVAL_EL2), access_arch_timer }, + { SYS_DESC(SYS_CNTHP_CTL_EL2), access_arch_timer }, + { SYS_DESC(SYS_CNTHP_CVAL_EL2), access_arch_timer }, + { SYS_DESC(SYS_CNTHV_TVAL_EL2), access_arch_timer }, + { SYS_DESC(SYS_CNTHV_CTL_EL2), access_arch_timer }, + { SYS_DESC(SYS_CNTHV_CVAL_EL2), access_arch_timer }, + { SYS_DESC(SYS_SCTLR_EL12), access_vm_reg, reset_val, SCTLR_EL1, 0x00C50078 }, { SYS_DESC(SYS_CPACR_EL12), access_rw, reset_val, CPACR_EL1, 0 }, { SYS_DESC(SYS_TTBR0_EL12), access_vm_reg, reset_unknown, TTBR0_EL1 }, @@ -2142,6 +2149,14 @@ static const struct sys_reg_desc sys_reg_descs[] = { { SYS_DESC(SYS_CONTEXTIDR_EL12), access_vm_reg, reset_val, CONTEXTIDR_EL1, 0 }, { SYS_DESC(SYS_CNTKCTL_EL12), access_rw, reset_val, CNTKCTL_EL1, 0 }, + { SYS_DESC(SYS_CNTP_TVAL_EL02), access_arch_timer }, + { SYS_DESC(SYS_CNTP_CTL_EL02), access_arch_timer }, + { SYS_DESC(SYS_CNTP_CVAL_EL02), access_arch_timer }, + + { SYS_DESC(SYS_CNTV_TVAL_EL02), access_arch_timer }, + { SYS_DESC(SYS_CNTV_CTL_EL02), access_arch_timer }, + { SYS_DESC(SYS_CNTV_CVAL_EL02), access_arch_timer }, + { SYS_DESC(SYS_SP_EL2), NULL, reset_unknown, SP_EL2 }, }; -- 2.20.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel